On Tue, Jan 26, 2016 at 04:44:39PM +0100, Jakub Jelinek wrote:
> 2016-01-26 Jakub Jelinek <ja...@redhat.com>
>
> PR lto/69254
> * lto-opts.c (lto_write_options): Write also -f{,no-}sanitize=
> options.
> * lto-wrapper.c (struct lto_decoded_options): New type.
> (append_option, merge_and_complain, append_compiler_options,
> append_linker_options, append_offload_options,
> compile_offload_image, compile_images_for_offload_targets,
> find_and_merge_options): Pass around options
> in struct lto_decoded_options instead of struct cl_decoded_option
> pointer and count pair.
> (get_options_from_collect_gcc_options): Likewise. Parse -fsanitize=
> options and if in the end any ub sanitizers are enabled, set
> decoded_opts->sanitize_undefined to true.
> (run_gcc): Adjust callers of these functions. If
> fdecoded_options.sanitize_undefined is true, append
> -fsanitize=shift after the linker options.
Now successfully bootstrapped/regtested on x86_64-linux and i686-linux.
Jakub
